English Grammar in Use With Answers » Unit 51: Auxiliary verbs (have/do/can etc.) I think so / I hope so etc.

In each of these sentences there is an auxiliary verb and a main verb:

Ihavelostmy keys.
Shecan'tcometo the party.
The hotelwasbuiltten years ago.
Wheredo youlive?

In these examples have/can't/was/do are auxiliary (= helping) verbs.

You can use an auxiliary verb when you don't want to repeat something:
  • 'Have you locked the door?'  'Yes, I have.' (= I have locked the door)
  • Gary wasn't working, but Laura was. (= Laura was working)
  • Jessica could lend me the money, but she won't. (= she won't lend me the money)

Use do/does/did for the present and past simple:
  • 'Do you like onions?'  'Yes, I do.' (= I like onions)
  • 'Does Simon live in London?'  'He did, but he doesn't any more.'

You can use auxiliary verbs to deny what somebody says (= say it is not true):
  • 'You're sitting in my place.'  'No, I'm not.' (= I'm not sitting in your place)
  • 'You didn't lock the door before you left.'  'Yes, I did.' (= I locked the door)

We use have you? / isn't she? / do they? etc. to show interest in what somebody has said, or to show surprise:

  • 'I've just seen Stephen.'  'Oh, have you? How is he?'
  • 'Lisa isn't very well today.'  'Oh, isn't she? What's wrong with her?'
  • 'It rained every day during our holiday.'  'Did it? What a shame!'
  • 'James and Tanya are getting married.'  'Are they? Really?'

We use auxiliary verbs with so and neither:

  • 'I'm tired.' 'So am I.' (= I'm tired too)
  • 'I never read newspapers.' 'Neither do I.' (= I never read newspapers either)
  • Sarah hasn't got a car and neither has Mark.

Note the word order after so and neither (verb before subject):
  • I passed the exam and so did Paul. (not so Paul did)

Instead of neither, you can use nor. You can also use not ... either:
  • 'I don't know.' 'Neither do I.' or 'Nor do I.' or 'I don't either.'

I think so / I hope so etc.

After some verbs we use so when we don't want to repeat something:
  • 'Are those people Korean?'  'I think so.' (= I think they are Korean)
  • 'Will you be at home this evening?'  'I expect so. (= I expect I'll beat home ... )
  • 'Do you think Kate has been invited to the party?'  'I suppose so.'

In the same way we say: I hope so, I guess so and I'm afraid so.

The usual negative forms are:

I think so / I expect soI don't think so / I don't expect so
I hope so / I'm afraid so / I guess soI hope not / I'm afraid not / I guess not
I suppose soI don't suppose so or I suppose not

  • 'Is that woman American?'  'I think so. / I don't think so.'
  • 'Do you think it will rain ?'  'I hope so. / I hope not.' (not I don't hope so)

51.1 Complete each sentence with an auxiliary verb (do/was/could etc.). Sometimes the verb must be negative (don't/wasn't etc.).

  1. I wasn't tired, but my friends (1) .
  2. I like hot weather, but Ann (2) __________ .
  3. 'Is Andy here?' 'He (3) __________ five minutes ago, but I think he's gone home now.'
  4. Liz said she might call me later this evening, but I don't think she (4) __________ .
  5. 'Are you and Chris coming to the party?' 'I (5) __________ , but Chris (6) __________ .'
  6. I don't know whether to apply for the job or not. Do you think I (7) __________ ?
  7. 'Please don't tell anybody what I said.' 'Don't worry. I (8) __________ .'
  8. 'You never listen to me.' 'Yes, I (9) __________ !'
  9. I thought it was going to rain, but it (10) __________ .
  10. 'Please help me.' 'I'm sorry. I (11) __________ if I (12) __________ , but I (13) __________ .'

51.2 You never agree with Sue. Answer in the way shown.

  1. Sue: I' m hungry.
    You: .
  2. Sue: I'm not tired.
    You: .
  3. Sue: I like football.
    You: __________ .
  4. Sue: I didn't enjoy the film.
    You: __________ .
  5. Sue: I've never been to Australia.
    You: __________ .
  6. Sue: I thought the exam was easy.
    You: __________ .

51.3 You are talking to Tin a. If you're in the same position as Tin a, reply with So ... or Neither ... , as in the first example. Otherwise, ask questions as in the second example.

  1. Tina: I'm tired.
    You:
  2. Tina: I work hard.
    You:
  3. Tina: I watched television last night.
    You: __________
  4. Tina: I won't be at home tomorrow.
    You: __________
  5. Tina: I like reading. I read a lot.
    You: __________
  6. Tina: I'd like to live somewhere else.
    You: __________
  7. Tina: I can't go out tonight.
    You: __________

51.4 In these conversations, you are B. Read the information in brackets and then answer with I think so, I hope not etc.

  1. (You don't like rain.)
    A: Is it going to rain?
    B: (hope) .
  2. (You need more money quickly.)
    A: Do you think you'll get a pay rise soon?
    B: (hope) __________ .
  3. (You think Katherine will probably get the job that she applied for.)
    A: Do you think Katherine will get the job?
    B: (expect) __________ .
  4. (You're not sure whether Amy is married - probably not.)
    A: Is Amy married?
    B: (think) __________ .
  5. (You are the receptionist at a hotel. The hotel is full.)
    A: Have you got a room for tonight?
    B: (afraid) __________ .
  6. (You're at a party. You have to leave early.)
    A: Do you have to leave already?
    B: (afraid) __________ .
  7. (Ann normally works every day, Monday to Friday. Tomorrow is Wednesday.)
    A: Is Ann working tomorrow?
    B: (suppose) __________ .
  8. (You are going to a party. You can't stand John.)
    A: Do you think John will be at the party?
    B: (hope) __________ .
  9. (You're not sure what time the concert is - probably 7.30.)
    A: Is the concert at 7.30?
    B: (think) __________ .

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